/Engine/Plugins/Runtime/Metasound/Source/MetasoundGraphCore/Public/MetasoundExecutableOperator.h
Derived classes should inherit from this template class as well as implement a voidExecute()member function. class MyOperator : public TExecutableOperator{
  public:
  ...
  void Execute()
  {
  ...
  }
};
template<class DerivedOperatorType> class TExecutableOperator : public [Metasound::IOperator](API\Plugins\MetasoundGraphCore\IOperator)